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357857 (2005 UG255)
Classification: Main-belt Asteroid          SPK-ID: 2357857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09519561536991873 8.0754e-08  
a 3.00131529671949 5.6853e-08 au
q 2.715603240129128 2.7452e-07 au
i 8.520122827598481 9.9947e-06 deg
node 39.00149452543825 4.9879e-05 deg
peri 264.9918955033288 8.7026e-05 deg
M 3.195823367087241 6.4042e-05 deg
tp 2458983.640444259166
(2020-May-14.14044426)
0.00033791 TDB
period 1899.178824839767
5.20
5.3963e-05
1.477e-07
d
yr
n .1895556096621775 5.386e-09 deg/d
Q 3.287027353309852 6.2265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      5032 days (13.78 yr)  
   first obs. used      2005-09-23  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63685  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:33:15  

Additional Information
 Earth MOID = 1.71789 au 
 Jupiter MOID = 1.94038 au 
 T_jup = 3.229 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO476675  

357857 (2005 UG255)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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